A dog running in an open field has components of velocity ox = 2.0 m/s and '03, = -1.8 m/s at time 351 = 12.0 S. For the time interval from 1 = 12.0 S to t2 = 25.0 S, the average acceleration of the dog has magnitude 0.55 111/32 and direction 31 .0 measured from the +m-axis toward the +y-axis